Can you find out the missing number in the grid?

How could a baby fall out of a twenty-story building onto the ground and live?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

In the image below, can you find the value of an angle(y)

I have branches, but no fruit, trunk or leaves. What am I?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?